when I was in the primary school ,I had a unforgetful thing between me and my teacher???通過(guò)java實(shí)現(xiàn)輸入每個(gè)單詞首字母，就可以找到這些單詞。思路大概是用string字符串，通過(guò)空格將文章分成一個(gè)個(gè)字符串，然后檢索其中首字母。?
2 回答
已采納
_瀟瀟暮雨
TA貢獻(xiàn)646條經(jīng)驗(yàn) 獲得超225個(gè)贊
public?class?Test?{
public?static?int?find(String[]?arr,String?keyword){
?int?count?=?0;?
?for(String?s?:?arr)
?if(s.startsWith(keyword))
?++count;
?return?count;
}
public?static?void?main(String[]?args)?{
String?str?=?"when?I?was?in?the?primary?school?,I?had?a?unforgetful?thing?between?me?and?my?teacher";
String[]?arr?=?str.split("\\s+,*");?
System.out.println(find(arr,"w"));?//?2
System.out.println(find(arr,"a"));?//?2
System.out.println(find(arr,"h"));?//?1
}
}添加回答
舉報(bào)
0/150
提交
取消